Unable to use pypdf module

问题

I have installed the pyPdf module successfully using the command pip install pydf but when I use the module using the import command I get the following error:

enC:\Anaconda3\lib\site-packages\pyPdf\__init__.py in <module>()
1 from pdf import PdfFileReader, PdfFileWriter
  2 __all__ = ["pdf"]
ImportError: No module named 'pdf'

What should I do? I have installed the pdf module as well but still the error does not go away.

回答1:

This is a problem of PyPDF, which does not occur in PyPDF2. Actually, the official pyPdf page recommends using PyPDF2.

Install PyPDF2

$ sudo -H pip install PyPDF2

You might need to replace pip by pip2 or pip3 if you use Python 2 or Python 3.

Use PyPDF2

import PyPDF2

Moving from pyPdf to PyPDF2

Simply replace all occurrences of pyPdf by PyPDF2.

WARNING: PyPDF, PyPDF2, PyPDF3, PyPDF4 are all not maintained!

Three potential alternatives which are maintained:

• pymupdf: uses mupdf
• pikepdf: Uses qpdf
• pdfminer.six: A pure Python project. Don't confuse it with the unmaintained pdfminer

回答2:

I've had the same error popping up after installing pypdf via pip and trying to import it in IPython (I'm using python 3.5.2):

In [5]: import pyPdf
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-5-a5780a4295f9> in <module>()
----> 1 import pyPdf

/home/mf/virtual_envs/pdfdataextract/lib/python3.5/site-packages/pyPdf/__init__.py in <module>()
----> 1 from pdf import PdfFileReader, PdfFileWriter
      2 __all__ = ["pdf"]

ImportError: No module named 'pdf'

This was even after installing the pdf library using pip.

Luckily, there's a PyPDF2 library which works like a charm for me.

回答3:

Use PyPDF2.
I've been using it in Python 3 (v3.5.2 to be precise), and it works quite well.
Here's a simple command that you can use to install PyPDF2.

sudo -H pip3 install PyPDF2

For using it:

from PyPDF2 import PdfFileReader

Let me know if you need any clarification.

回答4:

Firstly, in your code you wrote:

from pdf import PdfFileReader, PdfFileWriter

Instead of:

from PyPDF2 import PdfFileReader, PdfFileWriter

Secondly use

 pip3.x install pyPdf

instead of pip install pyPdf if it will not work

回答5:

I use pypdf2 , it work for me. pip install pypdf2. I use Ubuntu 16.04

回答6:

Your import code should read:

from pyPdf import PdfFileReader, PdfFileWriter

来源：https://stackoverflow.com/questions/42130504/unable-to-use-pypdf-module